1989 Camaro Parts and Restoration Information

1989 Camaro Parts and Restoration Specifications

In 1989, Chevrolet brought back the Rally Sport (RS) namesake. The RS replaced the base Camaro in 1989, with ground effects similar to those on the IROC-Z, and was powered by the 173ci V6 in standard form with the 305ci LG4 V8 as an available option.

1989_camaro

Image: Car Domain

A new dual exhaust option was added to the IROC-Z coupe’s list of goodies (standard with the G92 package) but could only be had with 305/5-speed manual and 350/TH700-R4 combinations.

As in the past, the G92 package was the upgraded suspension/handling package, which included 4-wheel disc brakes, P245/50ZR16 Goodyear Eagle tires, a tachometer, 145mph spedo, engine oil cooler, and dual exhaust for 1989. It also bumped the standard 2.77:1 rearend gear ratio up to a 3.27:1 for the 350ci TPI V8-equipped IROC-Z models, and 3.45:1 for the 305ci TPI V8-equipped IROC-Zs with manual transmissions. Just over 1,400 IROC-Zs were equipped with the G92 option.

If you wanted even more performance options, you ordered an IROC-Z with the G92 Performance Axle Option but without air conditioning. This created the well-known 1LE cars, which were equipped with upgraded 11.65-inch rotors, 2-piston PBR calipers, an aluminum driveshaft, stiffer suspension bushings, baffled gas tank and upgraded shocks. Only 111 1LE cars were produced in 1989, mainly because it was more of a lucky option combination rather than a promoted upgrade to the IROC-Z.

Model Options:

1989 Camaro Information

  • Sub-Models (all 2-door models, convertibles now available)
    • Camaro RS
    • IROC-Z
    • 1LE (not really a sub-model but a car produced based on a specific group of options)
  • Engine Options
    • 173ci  V6  135hp
    • 305ci  V8 170hp
    • 305ci  TPI V8– up to 230hp with a manual transmission and dual exhaust
    • 350ci L98 TPI V8 240hp with dual exhaust
  • Transmission Options
    • Borg-Warner 5-speed manual
    • TH700-R4 4-speed automatic with overdrive

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